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- import android.content.Intent;
- import android.database.Cursor;
- import android.database.sqlite.SQLiteDatabase;
- import android.database.sqlite.SQLiteOpenHelper;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.Toast;
- public class Login extends AppCompatActivity implements View.OnClickListener {
- Button _login_button;
- EditText _AbovePNDUsername, _AbovePNDPassword;
- SQLiteDatabase db;
- SQLiteOpenHelper openHelper;
- Cursor cursor;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_login);
- openHelper = new RegisterUserinDatabase(this);
- db = openHelper.getReadableDatabase();
- _login_button = (Button) findViewById(R.id.login_button);
- _AbovePNDUsername = (EditText) findViewById(R.id.AbovePNDUsername);
- _AbovePNDPassword = (EditText) findViewById(R.id.AbovePNDPassword);
- _login_button.setOnClickListener(this);
- }
- @Override
- public void onClick(View v) {
- if (v.getId() == R.id.login_button) {
- String username = _AbovePNDUsername.getText().toString();
- String password = _AbovePNDPassword.getText().toString();
- cursor = db.rawQuery("SELECT * FROM " + RegisterUserinDatabase.TABLE_NAME + "WHERE"
- + RegisterUserinDatabase.COLUMN_USERNAME + "=? AND" + RegisterUserinDatabase.COLUMN_PASSWORD
- + "=?", new String [] {username, password});
- if(cursor != null)
- {
- if(cursor.getCount()> 0){
- cursor.moveToNext();
- Toast.makeText(getApplicationContext(), "login successfully", Toast.LENGTH_LONG).show();
- startActivity(new Intent(this, add_treatment.class));
- }
- else {
- Toast.makeText(getApplicationContext(), "error in login", Toast.LENGTH_LONG).show();
- }
- }
- }
- }
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